<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>

  <style>
    /* a:link 未访问时  a:visited 已访问
       l o v e  h a te

    */

    a:link{
      color: #10b2ff;
    }

    a:visited{
      color: #ff1cb3;
    }


    /*鼠标悬浮在链接上的时候*/
    a:hover{
      font-size: 28px;
      font-weight: bold;
      color: chartreuse;
    }
    /*鼠标点击链接时*/
    a:active{
      color: #ffa411;
    }

    div{
      border:1px solid red;
      height: 80px;
    }

    div:hover{
      border:10px solid red;
    }



  </style>
</head>
<body>

<div>

</div>

<a href="#">链接001</a> <br>
<a href="#">链接002</a> <br>
<a href="#">链接003</a> <br>
<a href="https://www.qq.com">链接004</a> <br>

</body>
</html>